111764162168 has 8 divisors (see below), whose sum is σ = 209557804080. Its totient is φ = 55882081080.

The previous prime is 111764162161. The next prime is 111764162189. The reversal of 111764162168 is 861261467111.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111764162161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6985260128 + ... + 6985260143.

It is an arithmetic number, because the mean of its divisors is an integer number (26194725510).

Almost surely, 2^111764162168 is an apocalyptic number.

It is an amenable number.

111764162168 is a deficient number, since it is larger than the sum of its proper divisors (97793641912).

111764162168 is a wasteful number, since it uses less digits than its factorization.

111764162168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13970520277 (or 13970520273 counting only the distinct ones).

The product of its digits is 96768, while the sum is 44.

The spelling of 111764162168 in words is "one hundred eleven billion, seven hundred sixty-four million, one hundred sixty-two thousand, one hundred sixty-eight".